NOTE: As their name suggests hints are not exactly Viking: Battle for Asgard cheats, and are usually just simple (but very useful) tips on how you can unlock secret level, features, find hidden areas and such. Hopefully these will make playing Viking: Battle for Asgard even more entertaining.

Achievements
Complete each achievement to get the allotted gamerscore.

Assassin of Assassins (15): Locate and kill a Legion Assassin
Berzerker (35): Kill 200 Legion soldiers
Blinded To Fear (45): Kill 50 Legion without using a health potion
Champion of Champions (25): Find and defeat a Legion Champion
Deadly Axe Juggler (15): Kill 5 Legion just using Throwing axes
Death King (25): Finish off 150 Legion with fatality moves
Demon Eviscerator (20): Finish off 100 Legion with fatality moves
Demon Hacker (5): Finish off 25 Legion with fatality moves
Demon's Nemesis (40): Kill Hel's Harbinger Drakan
Dragon Master (15): Complete the second dragon gem, and summon a dragon
Dragon Overlord (15): Recover the final dragon gem, and summon a dragon
Dragon Summoner (15): Find and charge the dragon gem Hugin and dragon amulet, and summon a dragon
Euthanasia Euphoria (5): Use your defensive bash to knock your Legion foes to their doom!
Friend Of The People (10): Power-up over 500 Vikings in your armies with runic magicGalcliff Supplies Freed (20): Liberate the farm, still, lumber mill, and the quarry in Galcliff
Giant Killer (25): Find and slaughter a Legion Giant
Heimdall's Enforcer (5): Glacially wipe out a Legion using the ultimate ice attack
Hero Of Caldberg (10): Lead your army to victory at the battle for Caldberg
Hero Of Darkwater (10): Lead your army to victory at the battle for Darkwater
Hero Of Holdenfort (10): Lead your army to victory at the battle for Holdenfort
Hero Of Midgard (20): Lead your army to victory at the final battle for all Midgard
Hero Of Thornvik (10): Lead your army to victory at the battle for Thornvik
Isaholm Supplies Freed (20): Liberate the farm, still, lumber mill, and the quarry in Isaholm
Killer of Champions (5): Kill 10 Champions
Killer of Giants (5): Kill 5 Giants
Lust For Blood (20): Kill 100 Legion soldiers
Niflberg Supplies Freed (20): Liberate the farm and the quarry in Niflberg
No Need For Immortality (50): Lead your army to victory at Hel's Fortress without need for immortality
Odin's Doomsinger (5): Use the ultimate fire attack to kill a Legion
Redeemer of Galcliff Hard (40): Liberate Galcliff completely on the hard difficulty level
Redeemer of Galcliff Normal (30): Liberate Galcliff completely on the normal difficulty level
Savior of Niflberg Hard (35): Liberate Niflberg completely on the hard difficulty level
Savior of Niflberg Normal (25): Liberate Niflberg completely on the normal difficulty level
Secretive Rogue (20): Complete the quest to sneak into Darkwater
Skullbagger 1 (15): Collect the 6 skulls in Darkwater
Skullbagger 2 (15): Collect the 6 skulls in Holdenfort and the 6 skulls in Caldberg
Skullbagger 3 (15): Collect all the 4 skulls in Thornvik
Slaughter Master (50): Kill 500 Legion soldiers
The Flames of Freya (20): Buy flamepots and incinerate 10 Legion soldiers with them
The Perfect Killer (20): Kill a Legion Champion without being hit
They Never Saw Me Coming (20): Execute 100 sneaky kills
Thirst For Blood (10): Kill 50 Legion soldiers
Thor's Mortal Lightning Rod (5): Send a Legion back to the underworld in the most lightning-tastic way imaginable
Viking Blademaster (18): Learn all the moves in the game
Viking Butcher (10): Master the first new move at the Battle Arena
Viking Conqueror Hard (60): Reach the end of the game on hard difficulty
Viking Conqueror Normal (30): Reach the end of the game on normal difficulty
Viking Slaughterer (12): Learn a total of 4 new moves
Viking Slayer (14): Master a total of 8 new moves
Viking Warrior (16): Master a total of 12 new moves